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To make USSD request send SMS to the SIM-card phone
number that is installed in tracker:
[password] USSD [code]
For example:
1234 USSD *100#
Be sure to receive SMS confirmation* (depends on
USSD code sent):
USSD: Remaining balance is €5,00.
Adding funds to SIM-card account
To keep control of COMPASS GSM/GPS, it is necessary
to funds to the account of the SIM-card phone number
that is installed in tracker. This phone number is usually
printed on mobile operator’s plastic card. Visit mobile
operator’s web-site to find out account details.
Tracker operation in roaming network
To save internet traffic in roaming mobile network,
it is possible to switch off data transfer through the
server.
Author Connect
mobile app will be unavailable.
However, you keep tracker control via SMS commands.
To switch mobile data transfer OFF send SMS to the
SIM-card phone number that is installed in tracker:
[password] set server off
For example:
1234 set server off
Be sure to receive SMS confirmation*:
MQTT server disabled.
* If COMPASS GSM/GPS is operating in the Beacon mode, then SMS
commands are received and executed only upon wake-up.
